463  
FZUS54 KBRO 211527  
CWFBRO  
 
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
927 AM CST FRI FEB 21 2025  
 
LOWER TEXAS COASTAL WATERS FROM BAFFIN BAY TO THE MOUTH OF THE  
RIO GRANDE OUT 60 NM.  
 
SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST  
1/3 OF THE WAVES, ALONG WITH THE OCCASIONAL HEIGHT OF THE AVERAGE  
HIGHEST 10 PERCENT OF THE WAVES.  
 
GMZ100-220415-  
927 AM CST FRI FEB 21 2025  
   
SYNOPSIS
 
ADVERSE TO HAZARDOUS MARINE CONDITIONS ARE  
ANTICIPATED FOR A MAJORITY OF THE LOWER TEXAS COASTAL WATERS  
THROUGH THE WEEKEND COURTESY OF THE GRADUAL DEVELOPMENT OF LOW  
PRESSURE. IMPROVED WINDS AND SEAS WILL THEN OCCUR FOR THE NEW WORK  
WEEK AS THE COASTAL LOW MOVES EAST AND HIGH PRESSURE BECOMES MORE  
DOMINANT OVER THE WESTERN GULF.  
 

 
 
GMZ130-132-135-220415-  
LAGUNA MADRE FROM THE PORT OF BROWNSVILLE TO THE ARROYO COLORADO-  
LAGUNA MADRE FROM THE ARROYO COLORADO TO 5 NM NORTH OF PORT  
MANSFIELD TX-  
LAGUNA MADRE FROM 5 NM NORTH OF PORT MANSFIELD TO BAFFIN BAY TX-  
927 AM CST FRI FEB 21 2025  
   
REST OF TODAY
 
NORTH WINDS AROUND 15 KNOTS. A MODERATE CHOP ON  
THE BAY. DRIZZLE LIKELY.    
TONIGHT
 
NORTH WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON THE  
BAY. DRIZZLE LIKELY.    
SATURDAY
 
NORTH WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON THE  
BAY. SHOWERS LIKELY, MAINLY IN THE MORNING.    
SATURDAY NIGHT
 
NORTHWEST WINDS 10 TO 15 KNOTS. A MODERATE CHOP  
ON THE BAY. A SLIGHT CHANCE OF THUNDERSTORMS UNTIL EARLY MORNING.  
A CHANCE OF SHOWERS.    
SUNDAY
 
NORTHWEST WINDS 10 TO 15 KNOTS, BECOMING NORTH LATE IN  
THE AFTERNOON. A MODERATE CHOP ON THE BAY, DIMINISHING TO LIGHT  
CHOP LATE IN THE AFTERNOON. A SLIGHT CHANCE OF SHOWERS IN THE  
MORNING.    
SUNDAY NIGHT
 
NORTH WINDS 5 TO 10 KNOTS. LIGHT CHOP ON THE BAY.   
MONDAY
 
NORTH WINDS AROUND 5 KNOTS, BECOMING EAST LATE IN THE  
AFTERNOON. SMOOTH ON THE BAY.    
MONDAY NIGHT
 
EAST WINDS AROUND 5 KNOTS, BECOMING SOUTH EARLY  
IN THE MORNING. SMOOTH ON THE BAY.    
TUESDAY
 
SOUTH WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN THE  
AFTERNOON. LIGHT CHOP ON THE BAY.    
TUESDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. LIGHT CHOP ON THE  
BAY.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
GMZ150-155-220415-  
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-  
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-  
927 AM CST FRI FEB 21 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON
 
 
   
REST OF TODAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO  
7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT  
7 SECONDS. DRIZZLE.   
TONIGHT
 
NORTH WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO  
15 KNOTS AFTER MIDNIGHT. SEAS 7 TO 9 FEET, OCCASIONALLY TO  
11 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT 8 SECONDS. DRIZZLE  
LIKELY.    
SATURDAY
 
NORTH WINDS 10 TO 15 KNOTS. SEAS 6 TO 9 FEET,  
OCCASIONALLY TO 11 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT  
8 SECONDS. SHOWERS LIKELY. A SLIGHT CHANCE OF THUNDERSTORMS LATE  
IN THE AFTERNOON.    
SATURDAY NIGHT
 
NORTH WINDS 10 TO 15 KNOTS, BECOMING NORTHWEST  
EARLY IN THE MORNING. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET.  
WAVE DETAIL: NORTHEAST 6 FEET AT 8 SECONDS AND NORTHEAST 2 FEET  
AT 3 SECONDS. SHOWERS LIKELY WITH A SLIGHT CHANCE OF  
THUNDERSTORMS.    
SUNDAY
 
NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 5 TO 7 FEET,  
OCCASIONALLY TO 9 FEET, SUBSIDING TO 4 TO 5 FEET IN THE  
AFTERNOON. WAVE DETAIL: EAST 5 FEET AT 7 SECONDS AND NORTH 3 FEET  
AT 4 SECONDS, BECOMING EAST 5 FEET AT 7 SECONDS AND NORTHWEST  
2 FEET AT 3 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.    
SUNDAY NIGHT
 
NORTH WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET. WAVE  
DETAIL: EAST 4 FEET AT 7 SECONDS AND NORTHWEST 1 FOOT AT  
3 SECONDS.    
MONDAY
 
NORTH WINDS 5 TO 10 KNOTS, BECOMING NORTHEAST LATE IN  
THE AFTERNOON. SEAS 3 TO 4 FEET.    
MONDAY NIGHT
 
EAST WINDS AROUND 5 KNOTS, BECOMING SOUTH EARLY  
IN THE MORNING. SEAS 3 TO 4 FEET.    
TUESDAY
 
SOUTH WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST LATE IN  
THE AFTERNOON. SEAS 3 TO 4 FEET.    
TUESDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
GMZ170-175-220415-  
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE EXTENDING FROM  
20 TO 60 NM-  
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD EXTENDING FROM  
20 TO 60 NM-  
927 AM CST FRI FEB 21 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON
 
 
   
REST OF TODAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO  
8 FEET, OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTHEAST 8 FEET AT  
7 SECONDS. DRIZZLE LIKELY.    
TONIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 7 TO 9 FEET,  
OCCASIONALLY TO 11 FEET. WAVE DETAIL: NORTHEAST 8 FEET AT  
8 SECONDS AND NORTHWEST 1 FOOT AT 5 SECONDS. DRIZZLE LIKELY.    
SATURDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 9 FEET,  
OCCASIONALLY TO 11 FEET. WAVE DETAIL: EAST 7 FEET AT 8 SECONDS.  
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.    
SATURDAY NIGHT
 
NORTH WINDS 10 TO 15 KNOTS, BECOMING WEST AFTER  
MIDNIGHT. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL:  
EAST 6 FEET AT 8 SECONDS. SHOWERS LIKELY. A CHANCE OF  
THUNDERSTORMS EARLY IN THE EVENING, THEN A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE LATE EVENING AND OVERNIGHT.    
SUNDAY
 
NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 5 TO 7 FEET,  
OCCASIONALLY TO 9 FEET. WAVE DETAIL: EAST 5 FEET AT 7 SECONDS AND  
NORTHWEST 3 FEET AT 4 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN A SLIGHT CHANCE OF  
SHOWERS IN THE AFTERNOON.    
SUNDAY NIGHT
 
NORTH WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET.  
WAVE DETAIL: EAST 4 FEET AT 7 SECONDS AND NORTH 3 FEET AT  
5 SECONDS.    
MONDAY
 
NORTH WINDS 5 TO 10 KNOTS, BECOMING NORTHEAST LATE IN  
THE AFTERNOON. SEAS 3 TO 5 FEET.    
MONDAY NIGHT
 
EAST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST  
AFTER MIDNIGHT. SEAS 3 TO 4 FEET.    
TUESDAY
 
SOUTH WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET.    
TUESDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
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